The Collection of Old Master drawings at Chatsworth House, Derbyshire, home of the Dukes of Devonshire, ranks with the Royal Collection at Windsor Castle as the finest privately owned group of such drawings in Britain and as one of the great princely collections of Europe. It contains outstanding sheets by the great masters from every artistic school. The four volumes devoted to the Italian drawings have detailed entries for nearly 1,000 works from the fifteenth century to the eighteenth, among